Prime & Composite Worksheet
Recommended for 4th Grade — 6th Grade
Prime & Composite Worksheet
Name: ____________________Date: ____________
Instructions: Identifying prime and composite numbers and writing prime factorizations.
20 problems
- Prime numbers in {17, 5, 12, 23, 13, 19} → ______
- Prime numbers in {15, 19, 5, 17, 8, 7} → ______
- Prime numbers in {25, 9, 17, 29, 15, 13} → ______
- Prime numbers in {13, 3, 15, 9, 2, 12} → ______
- Prime numbers in {2, 7, 29, 13, 19, 25} → ______
- Prime numbers in {27, 21, 5, 11, 12, 2} → ______
- Prime numbers in {25, 23, 7, 9, 2, 13} → ______
- Prime numbers in {25, 9, 3, 15, 11, 8} → ______
- Prime numbers in {2, 17, 7, 21, 15, 9} → ______
- Prime numbers in {11, 19, 27, 25, 15, 17} → ______
- Prime numbers in {12, 8, 3, 17, 27, 23} → ______
- Prime numbers in {23, 11, 19, 7, 29, 2} → ______
- Prime numbers in {3, 15, 7, 13, 27, 21} → ______
- Prime numbers in {8, 29, 12, 23, 15, 9} → ______
- Prime numbers in {23, 17, 5, 12, 25, 15} → ______
- Prime numbers in {15, 9, 5, 17, 2, 21} → ______
- Prime numbers in {5, 27, 7, 8, 17, 12} → ______
- Prime numbers in {8, 7, 23, 29, 19, 3} → ______
- Prime numbers in {27, 23, 11, 19, 2, 12} → ______
- Prime numbers in {23, 29, 11, 8, 7, 25} → ______